Vulnerability in Ruby-Lang Ruby
CVE-2018-16396
An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.080 (94.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 95th percentile — 94.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.080 · newest: 0.080 · change: 0.000
Affected products
- Ruby-Lang Ruby — versions 2.6.0
- Canonical Ubuntu Linux — versions 14.04, 16.04, 18.04
- Debian Linux — versions 8.0, 9.0
- Red Hat Enterprise Linux — versions 6.0, 7.0, 7.4
Public proof-of-concept exploits
References
- hackerone.com/reports/385070 (Permissions Required, Third Party Advisory)
- www.ruby-lang.org/en/news/2018/11/06/ruby-2-6-0-preview3-released/ (Release Notes)
- access.redhat.com/errata/RHSA-2018:3729 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3730 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:3731 (vendor-advisory, Third Party Advisory)
- www.ruby-lang.org/en/news/2018/10/17/ruby-2-3-8-released/ (Release Notes)
- www.debian.org/security/2018/dsa-4332 (vendor-advisory, Third Party Advisory)
- usn.ubuntu.com/3808-1/ (vendor-advisory, Third Party Advisory)
- www.ruby-lang.org/en/news/2018/10/17/ruby-2-4-5-released/ (Release Notes)
- security.netapp.com/advisory/ntap-20190221-0002/ (Third Party Advisory)
Frequently asked questions
- What is CVE-2018-16396?
- CVE-2018-16396 is a high-severity vulnerability in Ruby-Lang Ruby. CVSS score: 8.1/10. Published 2018-11-16.
- How severe is CVE-2018-16396?
- High severity. CVSS v3 base score is 8.1 out of 10.
- Is CVE-2018-16396 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.